1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
24 * The full GNU General Public License is included in this distribution
25 * in the file called LICENSE.GPL.
27 * Contact Information:
28 * Intel Linux Wireless <ilw@linux.intel.com>
29 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
33 * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
40 * * Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * * Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in
44 * the documentation and/or other materials provided with the
46 * * Neither the name Intel Corporation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
51 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
52 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
53 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
54 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
55 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
56 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
57 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
58 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
59 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
60 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
61 *****************************************************************************/
68 struct iwlagn_ucode_capabilities {
70 u32 standard_phy_calibration_size;
74 extern struct ieee80211_ops iwlagn_hw_ops;
76 int iwl_reset_ict(struct iwl_trans *trans);
78 static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd)
86 void __iwl_down(struct iwl_priv *priv);
87 void iwl_down(struct iwl_priv *priv);
88 void iwlagn_prepare_restart(struct iwl_priv *priv);
91 struct ieee80211_hw *iwl_alloc_all(void);
92 int iwlagn_mac_setup_register(struct iwl_priv *priv,
93 struct iwlagn_ucode_capabilities *capa);
96 int iwlagn_set_pan_params(struct iwl_priv *priv);
97 int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
98 void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
99 int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed);
100 void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
101 struct ieee80211_vif *vif,
102 struct ieee80211_bss_conf *bss_conf,
104 void iwlagn_config_ht40(struct ieee80211_conf *conf,
105 struct iwl_rxon_context *ctx);
108 int iwlagn_rx_calib_result(struct iwl_priv *priv,
109 struct iwl_rx_mem_buffer *rxb,
110 struct iwl_device_cmd *cmd);
111 int iwlagn_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
112 void iwlagn_send_prio_tbl(struct iwl_priv *priv);
113 int iwlagn_run_init_ucode(struct iwl_priv *priv);
114 int iwlagn_load_ucode_wait_alive(struct iwl_priv *priv,
115 enum iwl_ucode_type ucode_type);
118 int iwlagn_send_tx_power(struct iwl_priv *priv);
119 void iwlagn_temperature(struct iwl_priv *priv);
120 u16 iwlagn_eeprom_calib_version(struct iwl_priv *priv);
121 int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
122 void iwlagn_dev_txfifo_flush(struct iwl_priv *priv, u16 flush_control);
123 int iwlagn_send_beacon_cmd(struct iwl_priv *priv);
124 #ifdef CONFIG_PM_SLEEP
125 int iwlagn_send_patterns(struct iwl_priv *priv,
126 struct cfg80211_wowlan *wowlan);
127 int iwlagn_suspend(struct iwl_priv *priv,
128 struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan);
132 int iwlagn_hwrate_to_mac80211_idx(u32 rate_n_flags, enum ieee80211_band band);
133 void iwl_setup_rx_handlers(struct iwl_priv *priv);
137 int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
138 int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
139 struct ieee80211_sta *sta, u16 tid, u16 *ssn);
140 int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
141 struct ieee80211_sta *sta, u16 tid);
142 int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
143 struct iwl_rx_mem_buffer *rxb,
144 struct iwl_device_cmd *cmd);
145 int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
146 struct iwl_device_cmd *cmd);
148 static inline u32 iwl_tx_status_to_mac80211(u32 status)
150 status &= TX_STATUS_MSK;
153 case TX_STATUS_SUCCESS:
154 case TX_STATUS_DIRECT_DONE:
155 return IEEE80211_TX_STAT_ACK;
156 case TX_STATUS_FAIL_DEST_PS:
157 case TX_STATUS_FAIL_PASSIVE_NO_RX:
158 return IEEE80211_TX_STAT_TX_FILTERED;
164 static inline bool iwl_is_tx_success(u32 status)
166 status &= TX_STATUS_MSK;
167 return (status == TX_STATUS_SUCCESS) ||
168 (status == TX_STATUS_DIRECT_DONE);
171 u8 iwl_toggle_tx_ant(struct iwl_priv *priv, u8 ant_idx, u8 valid);
174 void iwlagn_post_scan(struct iwl_priv *priv);
175 void iwlagn_disable_roc(struct iwl_priv *priv);
178 void iwlagn_send_advance_bt_config(struct iwl_priv *priv);
179 int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
180 struct iwl_rx_mem_buffer *rxb,
181 struct iwl_device_cmd *cmd);
182 void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv);
183 void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv);
184 void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv);
185 void iwlagn_bt_coex_rssi_monitor(struct iwl_priv *priv);
186 void iwlagn_bt_adjust_rssi_monitor(struct iwl_priv *priv, bool rssi_ena);
188 #ifdef CONFIG_IWLWIFI_DEBUG
189 const char *iwl_get_tx_fail_reason(u32 status);
190 const char *iwl_get_agg_tx_fail_reason(u16 status);
192 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
193 static inline const char *iwl_get_agg_tx_fail_reason(u16 status) { return ""; }
197 /* station management */
198 int iwlagn_manage_ibss_station(struct iwl_priv *priv,
199 struct ieee80211_vif *vif, bool add);
200 #define IWL_STA_DRIVER_ACTIVE BIT(0) /* driver entry is active */
201 #define IWL_STA_UCODE_ACTIVE BIT(1) /* ucode entry is active */
202 #define IWL_STA_UCODE_INPROGRESS BIT(2) /* ucode entry is in process of
204 #define IWL_STA_LOCAL BIT(3) /* station state not directed by mac80211;
205 (this is for the IBSS BSSID stations) */
206 #define IWL_STA_BCAST BIT(4) /* this station is the special bcast station */
209 void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
210 void iwl_clear_ucode_stations(struct iwl_priv *priv,
211 struct iwl_rxon_context *ctx);
212 void iwl_dealloc_bcast_stations(struct iwl_priv *priv);
213 int iwl_get_free_ucode_key_offset(struct iwl_priv *priv);
214 int iwl_send_add_sta(struct iwl_priv *priv,
215 struct iwl_addsta_cmd *sta, u8 flags);
216 int iwl_add_station_common(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
217 const u8 *addr, bool is_ap,
218 struct ieee80211_sta *sta, u8 *sta_id_r);
219 int iwl_remove_station(struct iwl_priv *priv, const u8 sta_id,
221 u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
222 const u8 *addr, bool is_ap, struct ieee80211_sta *sta);
224 void iwl_sta_fill_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
225 u8 sta_id, struct iwl_link_quality_cmd *link_cmd);
226 int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
227 struct iwl_link_quality_cmd *lq, u8 flags, bool init);
228 void iwl_reprogram_ap_sta(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
229 int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
230 struct iwl_device_cmd *cmd);
234 * iwl_clear_driver_stations - clear knowledge of all stations from driver
235 * @priv: iwl priv struct
237 * This is called during iwl_down() to make sure that in the case
238 * we're coming there from a hardware restart mac80211 will be
239 * able to reconfigure stations -- if we're getting there in the
240 * normal down flow then the stations will already be cleared.
242 static inline void iwl_clear_driver_stations(struct iwl_priv *priv)
245 struct iwl_rxon_context *ctx;
247 spin_lock_irqsave(&priv->shrd->sta_lock, flags);
248 memset(priv->stations, 0, sizeof(priv->stations));
249 priv->num_stations = 0;
251 priv->ucode_key_table = 0;
253 for_each_context(priv, ctx) {
255 * Remove all key information that is not stored as part
256 * of station information since mac80211 may not have had
257 * a chance to remove all the keys. When device is
258 * reconfigured by mac80211 after an error all keys will
261 memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys));
262 ctx->key_mapping_keys = 0;
265 spin_unlock_irqrestore(&priv->shrd->sta_lock, flags);
268 static inline int iwl_sta_id(struct ieee80211_sta *sta)
271 return IWL_INVALID_STATION;
273 return ((struct iwl_station_priv *)sta->drv_priv)->sta_id;
277 * iwl_sta_id_or_broadcast - return sta_id or broadcast sta
279 * @context: the current context
280 * @sta: mac80211 station
282 * In certain circumstances mac80211 passes a station pointer
283 * that may be %NULL, for example during TX or key setup. In
284 * that case, we need to use the broadcast station, so this
285 * inline wraps that pattern.
287 static inline int iwl_sta_id_or_broadcast(struct iwl_priv *priv,
288 struct iwl_rxon_context *context,
289 struct ieee80211_sta *sta)
294 return context->bcast_sta_id;
296 sta_id = iwl_sta_id(sta);
299 * mac80211 should not be passing a partially
300 * initialised station!
302 WARN_ON(sta_id == IWL_INVALID_STATION);
307 int iwlagn_alloc_bcast_station(struct iwl_priv *priv,
308 struct iwl_rxon_context *ctx);
309 int iwlagn_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
310 const u8 *addr, u8 *sta_id_r);
311 int iwl_remove_default_wep_key(struct iwl_priv *priv,
312 struct iwl_rxon_context *ctx,
313 struct ieee80211_key_conf *key);
314 int iwl_set_default_wep_key(struct iwl_priv *priv,
315 struct iwl_rxon_context *ctx,
316 struct ieee80211_key_conf *key);
317 int iwl_restore_default_wep_keys(struct iwl_priv *priv,
318 struct iwl_rxon_context *ctx);
319 int iwl_set_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
320 struct ieee80211_key_conf *key,
321 struct ieee80211_sta *sta);
322 int iwl_remove_dynamic_key(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
323 struct ieee80211_key_conf *key,
324 struct ieee80211_sta *sta);
325 void iwl_update_tkip_key(struct iwl_priv *priv,
326 struct ieee80211_vif *vif,
327 struct ieee80211_key_conf *keyconf,
328 struct ieee80211_sta *sta, u32 iv32, u16 *phase1key);
329 int iwl_sta_tx_modify_enable_tid(struct iwl_priv *priv, int sta_id, int tid);
330 int iwl_sta_rx_agg_start(struct iwl_priv *priv, struct ieee80211_sta *sta,
332 int iwl_sta_rx_agg_stop(struct iwl_priv *priv, struct ieee80211_sta *sta,
334 void iwl_sta_modify_sleep_tx_count(struct iwl_priv *priv, int sta_id, int cnt);
335 int iwl_update_bcast_station(struct iwl_priv *priv,
336 struct iwl_rxon_context *ctx);
337 int iwl_update_bcast_stations(struct iwl_priv *priv);
340 static inline u32 iwl_ant_idx_to_flags(u8 ant_idx)
342 return BIT(ant_idx) << RATE_MCS_ANT_POS;
345 static inline u8 iwl_hw_get_rate(__le32 rate_n_flags)
347 return le32_to_cpu(rate_n_flags) & RATE_MCS_RATE_MSK;
350 static inline __le32 iwl_hw_set_rate_n_flags(u8 rate, u32 flags)
352 return cpu_to_le32(flags|(u32)rate);
356 void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv);
357 void iwl_eeprom_get_mac(const struct iwl_priv *priv, u8 *mac);
359 /* notification wait support */
360 void __acquires(wait_entry)
361 iwlagn_init_notification_wait(struct iwl_priv *priv,
362 struct iwl_notification_wait *wait_entry,
364 void (*fn)(struct iwl_priv *priv,
365 struct iwl_rx_packet *pkt,
368 int __must_check __releases(wait_entry)
369 iwlagn_wait_notification(struct iwl_priv *priv,
370 struct iwl_notification_wait *wait_entry,
371 unsigned long timeout);
372 void __releases(wait_entry)
373 iwlagn_remove_notification(struct iwl_priv *priv,
374 struct iwl_notification_wait *wait_entry);
375 extern int iwlagn_init_alive_start(struct iwl_priv *priv);
376 extern int iwl_alive_start(struct iwl_priv *priv);
378 #ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL
379 extern int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data,
381 extern int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw,
383 struct netlink_callback *cb,
384 void *data, int len);
385 extern void iwl_testmode_init(struct iwl_priv *priv);
386 extern void iwl_testmode_cleanup(struct iwl_priv *priv);
389 int iwlagn_mac_testmode_cmd(struct ieee80211_hw *hw, void *data, int len)
394 int iwlagn_mac_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *skb,
395 struct netlink_callback *cb,
401 void iwl_testmode_init(struct iwl_priv *priv)
405 void iwl_testmode_cleanup(struct iwl_priv *priv)
410 #endif /* __iwl_agn_h__ */